Overview Reviews Product Description Cobalt prentice drills offer increased hardness, toughness and better wear resistance compared to regular HSS Gold oxide surface finish provides a polished finish and prevents chip building, galling and welding on a workpiece 135° Degree split point for fast penetration and accurate starting (self-centering) which eliminates "walking" and reduces the thrust force needed 1/2" Standard reduced shank to expand the size range capacity of 1/2" drill chucks Ideal for harder steels, heat treated and high temperature alloys, and stainless Clarkson Osborn Catalog Product Videos Custom Field Diameter 1-1/4" Flute length 3" Overall length 6" Shank diameter 1/2" Package quantity/sold as each 1 Product Reviews Write a Review Write a Review × Clarkson-Osborn 1-1/4" x 1/2" Reduced Shank Cobalt Prentice Drill Bit DR51116 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *
Clarkson-Osborn | sku: CLK DR51100 1" x 1/2" Reduced Shank Cobalt Prentice Drill Bit DR51100 MSRP: Now: $97.22 Add to Cart Clarkson-Osborn | sku: CLK DR51132 1-1/2" x 1/2" Reduced Shank Cobalt Prentice Drill Bit DR51132 MSRP: Now: $388.31 Add to Cart Clarkson-Osborn | sku: CLK DR51104 1-1/16" x 1/2" Reduced Shank Cobalt Prentice Drill Bit DR51104 MSRP: Now: $175.22 Add to Cart Clarkson-Osborn | sku: CLK DR51102 1-1/32" x 1/2" Reduced Shank Cobalt Prentice Drill Bit DR51102 MSRP: Now: $162.34 Add to Cart
Clarkson-Osborn | sku: CLK DR51132 1-1/2" x 1/2" Reduced Shank Cobalt Prentice Drill Bit DR51132 MSRP: Now: $388.31 Add to Cart Clarkson-Osborn | sku: CLK DR51104 1-1/16" x 1/2" Reduced Shank Cobalt Prentice Drill Bit DR51104 MSRP: Now: $175.22 Add to Cart Clarkson-Osborn | sku: CLK DR51102 1-1/32" x 1/2" Reduced Shank Cobalt Prentice Drill Bit DR51102 MSRP: Now: $162.34 Add to Cart
Clarkson-Osborn | sku: CLK DR51104 1-1/16" x 1/2" Reduced Shank Cobalt Prentice Drill Bit DR51104 MSRP: Now: $175.22 Add to Cart Clarkson-Osborn | sku: CLK DR51102 1-1/32" x 1/2" Reduced Shank Cobalt Prentice Drill Bit DR51102 MSRP: Now: $162.34 Add to Cart
Clarkson-Osborn | sku: CLK DR51102 1-1/32" x 1/2" Reduced Shank Cobalt Prentice Drill Bit DR51102 MSRP: Now: $162.34 Add to Cart